Where to safely drop off your unwanted medicine in San Mateo County

Use the search function below to find convenient locations with secure disposal drop-off locations or where you can obtain mail-back supplies. Call (844) 4-TAKE-BACK or (844) 482-5322 for more information or to order mail-back supplies.
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While the listing of participating drop-off and mail-back supply locations is regularly updated, you should confirm, prior to visiting a location, that it will be open when you intend to visit and will be able to accept your medications or provide you with mail-back supplies.

Walgreens 03296

  • Mail-back supply location
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Business Address for Walgreens 03296

191 East 3rd Avenue
San Mateo, CA 94401
Get Directions (~ 1.07 miles) — opens in a new tab

(650) 342-2723

Business Hours for Walgreens 03296
Day Opening Hours
Sunday10:00 am - 6:00 pm
Monday8:00 am - 9:00 pm
Tuesday8:00 am - 9:00 pm
Wednesday8:00 am - 9:00 pm
Thursday8:00 am - 9:00 pm
Friday8:00 am - 9:00 pm
Saturday9:00 am - 6:00 pm

Burlingame Public Library

  • Mail-back supply location
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Business Address for Burlingame Public Library

480 Primrose Road
Burlingame, CA 94010
Get Directions (~ 1.8 miles) — opens in a new tab

(650) 558-7400

Business Hours for Burlingame Public Library
Day Opening Hours
Sunday1:00 pm - 5:00 pm
Monday10:00 am - 8:00 pm
Tuesday10:00 am - 8:00 pm
Wednesday10:00 am - 8:00 pm
Thursday10:00 am - 8:00 pm
Friday10:00 am - 6:00 pm
Saturday10:00 am - 5:00 pm

Costco Pharmacy #147

  • Mail-back supply location
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Business Address for Costco Pharmacy #147

1001 Metro Center Blvd
Foster City, CA 94404
Get Directions (~ 2.62 miles) — opens in a new tab

(650) 286-0759

Business Hours for Costco Pharmacy #147
Day Opening Hours
Sunday9:00 am - 7:00 pm
Monday9:00 am - 8:30 pm
Tuesday9:00 am - 8:30 pm
Wednesday9:00 am - 8:30 pm
Thursday9:00 am - 8:30 pm
Friday9:00 am - 8:30 pm
Saturday9:00 am - 7:00 pm

Dr. Lawrence L. Chao - San Mateo office

  • Mail-back supply location
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Business Address for Dr. Lawrence L. Chao - San Mateo office

1750 El Camino Real Ste 301
Burlingame, CA 94010
Get Directions (~ 3.71 miles) — opens in a new tab

(650) 239-9996

Please contact location for hours of operation

Millbrae Assisted Living

  • Mail-back supply location
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Business Address for Millbrae Assisted Living

1001 Hemlock Ave
Millbrae, CA 94030
Get Directions (~ 4.6 miles) — opens in a new tab

(650) 689-5776

Business Hours for Millbrae Assisted Living
Day Opening Hours
Sunday8:00 am - 5:00 pm
Monday8:00 am - 5:00 pm
Tuesday8:00 am - 5:00 pm
Wednesday8:00 am - 5:00 pm
Thursday8:00 am - 5:00 pm
Friday8:00 am - 5:00 pm
Saturday8:00 am - 5:00 pm

Nob Hill Pharmacy #628

  • Mail-back supply location
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Business Address for Nob Hill Pharmacy #628

270 Redwood Shores Parkway
Redwood City, CA 94065
Get Directions (~ 5.26 miles) — opens in a new tab

(650) 631-1685

Business Hours for Nob Hill Pharmacy #628
Day Opening Hours
Sunday10:00 am - 5:30 pm
Monday10:00 am - 7:30 pm
Tuesday10:00 am - 7:30 pm
Wednesday10:00 am - 7:30 pm
Thursday10:00 am - 7:30 pm
Friday10:00 am - 7:30 pm
Saturday10:00 am - 5:30 pm

Costco Pharmacy #422

  • Mail-back supply location
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Business Address for Costco Pharmacy #422

451 S Airport Blvd
S San Francisco, CA 94080
Get Directions (~ 6.4 miles) — opens in a new tab

(650) 872-0637

Business Hours for Costco Pharmacy #422
Day Opening Hours
Sunday9:00 am - 7:00 pm
Monday9:00 am - 8:30 pm
Tuesday9:00 am - 8:30 pm
Wednesday9:00 am - 8:30 pm
Thursday9:00 am - 8:30 pm
Friday9:00 am - 8:30 pm
Saturday9:00 am - 7:00 pm

Dr. Maria T. Angara, DDS

  • Mail-back supply location
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Business Address for Dr. Maria T. Angara, DDS

1001 Sneath Lane, Suite 108
San Bruno, CA 94066
Get Directions (~ 7.07 miles) — opens in a new tab

(650) 756-8872

Please contact location for hours of operation

Anchor Drugs

  • Mail-back supply location
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Business Address for Anchor Drugs

161 South Spruce Ave
S San Francisco, CA 94080
Get Directions (~ 7.36 miles) — opens in a new tab

(650) 360-5300

Business Hours for Anchor Drugs
Day Opening Hours
SundayClosed
Monday9:00 am - 5:30 pm
Tuesday9:00 am - 5:30 pm
Wednesday9:00 am - 5:30 pm
Thursday9:00 am - 5:30 pm
Friday9:00 am - 5:30 pm
Saturday9:00 am - 2:00 pm

Costco Pharmacy #1042

  • Mail-back supply location
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Business Address for Costco Pharmacy #1042

2300 Middlefield Rd
Redwood City, CA 94063
Get Directions (~ 8.88 miles) — opens in a new tab

(650) 568-4049

Business Hours for Costco Pharmacy #1042
Day Opening Hours
Sunday9:00 am - 7:00 pm
Monday10:00 am - 7:00 pm
Tuesday10:00 am - 7:00 pm
Wednesday10:00 am - 7:00 pm
Thursday10:00 am - 7:00 pm
Friday10:00 am - 7:00 pm
Saturday9:00 am - 6:00 pm

Fair Oaks Community Pharmacy

  • Mail-back supply location
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Business Address for Fair Oaks Community Pharmacy

2710 Middlefield Road Ste 125
Redwood City, CA 94063
Get Directions (~ 9.17 miles) — opens in a new tab

(650) 480-6040

Please contact location for hours of operation.

Gordon Manor

  • Mail-back supply location
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Business Address for Gordon Manor

1616 Gordon St
Redwood City, CA 94061
Get Directions (~ 9.26 miles) — opens in a new tab

(650) 562-0555

Business Hours for Gordon Manor
Day Opening Hours
Sunday8:00 am - 5:00 pm
Monday8:00 am - 5:00 pm
Tuesday8:00 am - 5:00 pm
Wednesday8:00 am - 5:00 pm
Thursday8:00 am - 5:00 pm
Friday8:00 am - 5:00 pm
Saturday8:00 am - 5:00 pm

Costco Pharmacy #475

  • Mail-back supply location
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Business Address for Costco Pharmacy #475

1600 El Camino Real
S San Francisco, CA 94080
Get Directions (~ 9.37 miles) — opens in a new tab

(650) 757-3002

Business Hours for Costco Pharmacy #475
Day Opening Hours
Sunday9:00 am - 7:00 pm
Monday10:00 am - 7:00 pm
Tuesday10:00 am - 7:00 pm
Wednesday10:00 am - 7:00 pm
Thursday10:00 am - 7:00 pm
Friday10:00 am - 7:00 pm
Saturday9:00 am - 6:00 pm

Kings Mountain Fire Department

  • Mail-back supply location
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Business Address for Kings Mountain Fire Department

13889 Skyline Blvd
Woodside, CA 94062
Get Directions (~ 9.91 miles) — opens in a new tab

(650) 851-8897

Business Hours for Kings Mountain Fire Department
Day Opening Hours
Monday8:00 am - 5:00 pm
Tuesday8:00 am - 5:00 pm
Wednesday8:00 am - 5:00 pm
Thursday8:00 am - 5:00 pm
Friday8:00 am - 5:00 pm

Bayshore Library

  • Mail-back supply location
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Business Address for Bayshore Library

460 Martin Street
Daly City, CA 94014
Get Directions (~ 10.14 miles) — opens in a new tab

(650) 991-8074

Business Hours for Bayshore Library
Day Opening Hours
SundayClosed
Monday10:00 am - 6:00 pm
Tuesday10:00 am - 6:00 pm
Wednesday10:00 am - 6:00 pm
Thursday2:00 pm - 8:00 pm
Friday12:00 pm - 6:00 pm
SaturdayClosed

Serramonte Main Library

  • Mail-back supply location
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Business Address for Serramonte Main Library

40 Wembley Drive
Daly City, CA 94015
Get Directions (~ 10.22 miles) — opens in a new tab

(650) 991-8023

Business Hours for Serramonte Main Library
Day Opening Hours
SundayClosed
Monday10:00 am - 8:00 pm
Tuesday10:00 am - 8:00 pm
Wednesday10:00 am - 6:00 pm
Thursday10:00 am - 6:00 pm
Friday10:00 am - 6:00 pm
SaturdayClosed

Coastside Fire Protection District Station 40

  • Mail-back supply location
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Business Address for Coastside Fire Protection District Station 40

1191 Main Street
Half Moon Bay, CA 94019
Get Directions (~ 10.79 miles) — opens in a new tab

(650) 726-5213

Business Hours for Coastside Fire Protection District Station 40
Day Opening Hours
Monday8:00 am - 5:00 pm
Tuesday8:00 am - 5:00 pm
Wednesday8:00 am - 5:00 pm
Thursday8:00 am - 5:00 pm
Friday8:00 am - 5:00 pm

Thornton High School

  • Mail-back supply location
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Business Address for Thornton High School

115 First Ave
Daly City, CA 94014
Get Directions (~ 11.17 miles) — opens in a new tab

(650) 550-7840

Please contact location for hours of operation

Walgreens 01807

  • Mail-back supply location
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Business Address for Walgreens 01807

22 San Pedro Road
Daly City, CA 94014
Get Directions (~ 11.19 miles) — opens in a new tab

(650) 756-3412

Please contact location for hours of operation.

William N Ong Inc

  • Mail-back supply location
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Business Address for William N Ong Inc

6740 Mission St
Daly City, CA 94014
Get Directions (~ 11.63 miles) — opens in a new tab

(650) 991-7397

Business Hours for William N Ong Inc
Day Opening Hours
SundayClosed
Monday9:00 am - 6:00 pm
Tuesday9:00 am - 6:00 pm
Wednesday9:00 am - 6:00 pm
Thursday9:00 am - 6:00 pm
Friday9:00 am - 6:00 pm
Saturday9:00 am - 5:00 pm

Take-Back Events

Local take-back events offer residents a safe, free, and convenient way to dispose of expired or unwanted household medication. The local authorities and MED-Project or Inmar Intelligence may also sponsor local drug take-back events in your area. To protect your privacy, patients are reminded to remove all personally identifiable information on medication labels or packaging before disposing of unwanted medicine.

Monday, August 24, 2026

Serramonte Main Branch - Daly City Public Library
Start time:10:00 AM End time:2:00 PM
40 Wembley Dr, Daly City CA 94015

August 25, 2026

La Honda Fire Station
Start time:1:00 PM End time:5:00 PM
8945 La Honda Rd, La Honda CA 94020

Monday, July 6, 2026

Millbrae Library - Parking lot
Start time:10:00 AM End time:2:00 PM
1 Library Ave, Millbrae, CA 94030. Features a dedicated, free parking lot for visitors.

Order Mail-Back Supplies/Get More Information

Click on the button to request a mail-back package.

Mail-Back options include:

  • ● Unwanted medication mail-back envelope
  • ● Inhaler mail-back package
  • ● Injector mail-back package
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